EP1107435A4 - Compatible disk drive motor - Google Patents

Compatible disk drive motor

Info

Publication number
EP1107435A4
EP1107435A4 EP99919601A EP99919601A EP1107435A4 EP 1107435 A4 EP1107435 A4 EP 1107435A4 EP 99919601 A EP99919601 A EP 99919601A EP 99919601 A EP99919601 A EP 99919601A EP 1107435 A4 EP1107435 A4 EP 1107435A4
Authority
EP
European Patent Office
Prior art keywords
drive motor
disk drive
compatible disk
compatible
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99919601A
Other languages
German (de)
French (fr)
Other versions
EP1107435A1 (en
Inventor
Kiichiro Murotani
Atsushi Michimori
Takeshi Inatani
Masaaki Takeshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1107435A1 publication Critical patent/EP1107435A1/en
Publication of EP1107435A4 publication Critical patent/EP1107435A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
EP99919601A 1999-05-14 1999-05-14 Compatible disk drive motor Withdrawn EP1107435A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/002532 WO2000070728A1 (en) 1999-05-14 1999-05-14 Compatible disk drive motor

Publications (2)

Publication Number Publication Date
EP1107435A1 EP1107435A1 (en) 2001-06-13
EP1107435A4 true EP1107435A4 (en) 2002-07-31

Family

ID=14235697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99919601A Withdrawn EP1107435A4 (en) 1999-05-14 1999-05-14 Compatible disk drive motor

Country Status (3)

Country Link
US (1) US20010002188A1 (en)
EP (1) EP1107435A4 (en)
WO (1) WO2000070728A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691311A (en) * 1984-07-10 1987-09-01 U.S. Philips Corporation Disc reading apparatus with disc shoot journaled in frame
JPS63224654A (en) * 1987-03-11 1988-09-19 Sony Corp Motor
JPH0583913A (en) * 1991-08-30 1993-04-02 Fuji Electric Co Ltd Spindle motor for magnetic disk device
JPH08106712A (en) * 1994-08-08 1996-04-23 Sankyo Seiki Mfg Co Ltd Spindle motor
US5519270A (en) * 1992-08-19 1996-05-21 Fujitsu Limited Spindle motor and disk drive having the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02219449A (en) * 1989-02-17 1990-09-03 Canon Electron Inc Disc drive
JPH0280361U (en) * 1988-12-07 1990-06-20
JPH05146131A (en) * 1991-11-18 1993-06-11 Fujitsu Ltd Rotating drive mechanism for optical disk
JPH0917109A (en) * 1995-06-29 1997-01-17 Teac Corp Disk device
JPH09308153A (en) * 1996-05-09 1997-11-28 Matsushita Electric Ind Co Ltd Manufacture of rotor flame for spindle motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691311A (en) * 1984-07-10 1987-09-01 U.S. Philips Corporation Disc reading apparatus with disc shoot journaled in frame
JPS63224654A (en) * 1987-03-11 1988-09-19 Sony Corp Motor
JPH0583913A (en) * 1991-08-30 1993-04-02 Fuji Electric Co Ltd Spindle motor for magnetic disk device
US5519270A (en) * 1992-08-19 1996-05-21 Fujitsu Limited Spindle motor and disk drive having the same
JPH08106712A (en) * 1994-08-08 1996-04-23 Sankyo Seiki Mfg Co Ltd Spindle motor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 018 (E - 704) 17 January 1989 (1989-01-17) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 424 (E - 1410) 6 August 1993 (1993-08-06) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 08 30 August 1996 (1996-08-30) *

Also Published As

Publication number Publication date
EP1107435A1 (en) 2001-06-13
US20010002188A1 (en) 2001-05-31
WO2000070728A1 (en) 2000-11-23

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Legal Events

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Effective date: 20030812